Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2019	$ 11,019	$ 158,244	$ 151,478	$ (483)	$ 320,258
Net income	0	0	21,251	0	21,251
Other comprehensive income (loss)	0	0	0	3,195	3,195
Vesting of restricted stock	18	(18)	0	0	0
Equity based compensation	21	1,081	0	0	1,102
Cash dividends paid	0	0	(8,874)	0	(8,874)
Stock repurchased	(141)	(4,840)	0	0	(4,981)
Stock options exercised	2	28	0	0	30
Balance at Sep. 30, 2020	10,919	154,495	163,855	2,712	331,981
Balance at Jun. 30, 2020	10,911	154,222	159,586	2,714	327,433
Net income	0	0	7,227	0	7,227
Other comprehensive income (loss)	0	0	0	(2)	(2)
Vesting of restricted stock	0	0	0	0	0
Equity based compensation	8	273	0	0	281
Cash dividends paid	0	0	(2,958)	0	(2,958)
Balance at Sep. 30, 2020	10,919	154,495	163,855	2,712	331,981
Balance at Dec. 31, 2020	10,926	154,850	169,681	2,437	337,894
Net income	0	0	32,233	0	32,233
Other comprehensive income (loss)	0	0	0	(3,941)	(3,941)
Vesting of restricted stock	16	(16)	0	0	0
Equity based compensation	16	1,049	0	0	1,065
Cash dividends paid	0	0	(8,807)	0	(8,807)
Stock repurchased	(248)	(7,895)	0	0	(8,143)
Stock options exercised	5	81	0	0	86
Balance at Sep. 30, 2021	10,715	148,069	193,107	(1,504)	350,387
Balance at Jun. 30, 2021	10,811	150,947	185,843	32	347,633
Net income	0	0	10,178	0	10,178
Other comprehensive income (loss)	0	0	0	(1,536)	(1,536)
Vesting of restricted stock	1	1	0	0	2
Equity based compensation	4	333	0	0	337
Cash dividends paid	0	0	(2,914)	0	(2,914)
Stock repurchased	(101)	(3,212)	0	0	(3,313)
Balance at Sep. 30, 2021	$ 10,715	$ 148,069	$ 193,107	$ (1,504)	$ 350,387